Using this graphic and referring to it is encouraged, and please use it in presentations, web pages, newspapers, blogs and reports.
For any form of publication, please include the link to this page and give the cartographer/designer credit (in this case UNEP/GRID-Arendal)
Hoekstra, A. Y., Virtual Water Trade, IHE Delft, 2003.
Uploaded on Tuesday 21 Feb 2012
Water for food
The volume of water required to produce different food products varies enourmously, as do the waste products.